Class: Bundler::Index

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/bundler/index.rb

Constant Summary

RUBY =
"ruby".freeze
NULL =
"\0".freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initializeIndex

Returns a new instance of Index



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# File 'lib/bundler/index.rb', line 20

def initialize
  @sources = []
  @cache = {}
  @specs = Hash.new {|h, k| h[k] = {} }
  @all_specs = Hash.new {|h, k| h[k] = EMPTY_SEARCH }
end

Instance Attribute Details

#sourcesObject (readonly)

Returns the value of attribute sources



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# File 'lib/bundler/index.rb', line 14

def sources
  @sources
end

Class Method Details

.build {|i| ... } ⇒ Object

Yields:

  • (i)


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# File 'lib/bundler/index.rb', line 8

def self.build
  i = new
  yield i
  i
end

.sort_specs(specs) ⇒ Object



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# File 'lib/bundler/index.rb', line 73

def self.sort_specs(specs)
  specs.sort_by do |s|
    platform_string = s.platform.to_s
    [s.version, platform_string == RUBY ? NULL : platform_string]
  end
end

Instance Method Details

#<<(spec) ⇒ Object



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# File 'lib/bundler/index.rb', line 97

def <<(spec)
  @specs[spec.name][spec.full_name] = spec
  spec
end

#==(other) ⇒ Object



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# File 'lib/bundler/index.rb', line 142

def ==(other)
  all? do |spec|
    other_spec = other[spec].first
    other_spec && dependencies_eql?(spec, other_spec) && spec.source == other_spec.source
  end
end

#add_source(index) ⇒ Object

Raises:

  • (ArgumentError)


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# File 'lib/bundler/index.rb', line 155

def add_source(index)
  raise ArgumentError, "Source must be an index, not #{index.class}" unless index.is_a?(Index)
  @sources << index
  @sources.uniq! # need to use uniq! here instead of checking for the item before adding
end

#dependencies_eql?(spec, other_spec) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/bundler/index.rb', line 149

def dependencies_eql?(spec, other_spec)
  deps       = spec.dependencies.select {|d| d.type != :development }
  other_deps = other_spec.dependencies.select {|d| d.type != :development }
  Set.new(deps) == Set.new(other_deps)
end

#dependency_namesObject



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# File 'lib/bundler/index.rb', line 117

def dependency_names
  names = []
  each {|s| names.concat(s.dependencies.map(&:name)) }
  names.uniq
end

#each(&blk) ⇒ Object



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# File 'lib/bundler/index.rb', line 102

def each(&blk)
  return enum_for(:each) unless blk
  specs.values.each do |spec_sets|
    spec_sets.values.each(&blk)
  end
  sources.each {|s| s.each(&blk) }
end

#empty?Boolean

Returns:

  • (Boolean)


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# File 'lib/bundler/index.rb', line 45

def empty?
  each { return false }
  true
end

#initialize_copy(o) ⇒ Object



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# File 'lib/bundler/index.rb', line 27

def initialize_copy(o)
  @sources = o.sources.dup
  @cache = {}
  @specs = Hash.new {|h, k| h[k] = {} }
  @all_specs = Hash.new {|h, k| h[k] = EMPTY_SEARCH }

  o.specs.each do |name, hash|
    @specs[name] = hash.dup
  end
  o.all_specs.each do |name, array|
    @all_specs[name] = array.dup
  end
end

#inspectObject



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# File 'lib/bundler/index.rb', line 41

def inspect
  "#<#{self.class}:0x#{object_id} sources=#{sources.map(&:inspect)} specs.size=#{specs.size}>"
end

#local_search(query, base = nil) ⇒ Object



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# File 'lib/bundler/index.rb', line 84

def local_search(query, base = nil)
  case query
  when Gem::Specification, RemoteSpecification, LazySpecification, EndpointSpecification then search_by_spec(query)
  when String then specs_by_name(query)
  when Gem::Dependency then search_by_dependency(query, base)
  when DepProxy then search_by_dependency(query.dep, base)
  else
    raise "You can't search for a #{query.inspect}."
  end
end

#search(query, base = nil) ⇒ Object Also known as: []

Search this index's specs, and any source indexes that this index knows about, returning all of the results.



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# File 'lib/bundler/index.rb', line 60

def search(query, base = nil)
  results = local_search(query, base)
  seen = results.map(&:full_name).to_set

  @sources.each do |source|
    source.search(query, base).each do |spec|
      results << spec if seen.add?(spec.full_name)
    end
  end

  sort_specs(results)
end

#search_all(name) ⇒ Object



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# File 'lib/bundler/index.rb', line 50

def search_all(name)
  all_matches = local_search(name) + @all_specs[name]
  @sources.each do |source|
    all_matches.concat(source.search_all(name))
  end
  all_matches
end

#sizeObject



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# File 'lib/bundler/index.rb', line 136

def size
  @sources.inject(@specs.size) do |size, source|
    size += source.size
  end
end

#sort_specs(specs) ⇒ Object



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# File 'lib/bundler/index.rb', line 80

def sort_specs(specs)
  self.class.sort_specs(specs)
end

#unmet_dependency_namesObject

returns a list of the dependencies



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# File 'lib/bundler/index.rb', line 111

def unmet_dependency_names
  names = dependency_names
  names.delete_if {|n| n == "bundler" }
  names.select {|n| search(n).empty? }
end

#use(other, override_dupes = false) ⇒ Object



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# File 'lib/bundler/index.rb', line 123

def use(other, override_dupes = false)
  return unless other
  other.each do |s|
    if (dupes = search_by_spec(s)) && !dupes.empty?
      # safe to << since it's a new array when it has contents
      @all_specs[s.name] = dupes << s
      next unless override_dupes
    end
    self << s
  end
  self
end